Question: Who has signed the United States Constitution, whose place of work is Washington DC?
Paraphrase: Who has signed the United States Constitution, whose place of work is Washington DC?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q11698 wdt:P1891 ?answer . ?answer wdt:P937 wd:Q61}
Answer: James Madison, William Samuel Johnson, Abraham Baldwin, Roger Sherman, Rufus King, Jonathan Dayton, Robert Morris, George Read, Richard Bassett, John Langdon, Hugh Williamson, William Few, Thomas Fitzsimons, Daniel Carroll, George Clymer, Gouverneur Morris I, William Paterson, William Blount, John Blair, Nicholas Gilman, Pierce Butler